Update docs

recipes/001_first.py

@@ -262,3 +262,7 @@ def plot_optimizaiton_history_matplotlib(study: optuna.study.Study) -> plt.Figur
 #
 #       - [Original Paper](Link/to/the/original/paper)
 #       - [Source Code](Link/to/the/source/code)
+#
+# To debug your package, you can employ the following approaches.
+# - First, you can use the `optunahub.load_module_local <https://optuna.github.io/optunahub/reference.html#optunahub.load_module_local>`__ function to load your package from your local directory and check if it works correctly.
+# - Second, you can use the `optunahub.load_module <https://optuna.github.io/optunahub/reference.html#optunahub.load_module>`__ function with `repo_owner={YOUR_GITHUB_ID}` to load your package from your fork of the optunahub-registry repository and check if it works correctly.